package com.wander.designStructural.facade;

/**
 * @author WDYin
 * @date 2023/5/30
 **/
public class Facade {
    private SystemA systemA = new SystemA();
    private SystemB systemB = new SystemB();
    private SystemC systemC = new SystemC();

    // 对外提供的简单接口
    public void operation() {
        systemA.operationA();
        systemB.operationB();
        systemC.operationC();
    }
}
